Home / 185,835.16-256,469.64-105,266.08

Finding the Fourth Proportional to 185,835.16, 256,469.64 and 105,266.08

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Solution

The fourth proportional to 185,835.16, 256,469.64 and 105,266.08 is: 145,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,835.16 : 256,469.64 = 105,266.08 : x
  2. Step 2: Convert to fraction form
    185,835.16/256,469.64 = 105,266.08/x
  3. Step 3: Cross multiply
    185,835.16x = 256,469.64 × 105,266.08
  4. Step 4: Simplify right side
    185,835.16x = 26,997,553,641.81
  5. Step 5: Solve for x
    x = 26,997,553,641.81/185,835.16
  6. Step 6: Final answer
    x = 145,276.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.